Definition: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Input: Question: David is 18 years older than his daughter Rosy. In 6 years David will be twice as old as Rosy. What is Rosy current age.

 Option A: 12

 Option B: 14

 Option C: 18

 Option D: 24

 Option E: 23

Option A